Extract URLs from text

public static List<string> ExtractUrls(string source)
{
    // match.Groups["name"].Value - URL Name
    // match.Groups["url"].Value - URI
    const string regexPattern = @"<a.*?href=[""'](?<url>.*?)[""'].*?>(?<name>.*?)</a>";
    var matches = Regex.Matches(source, regexPattern, RegexOptions.IgnoreCase);
    return (from Match match in matches select match.Groups["url"].Value).ToList();
}